how to input Log(base)2 (x) into TI83 plus

Thank you!

2. Originally Posted by mak15
how to input Log(base)2 (x) into TI83 plus

Thank you!
It can be done via change of base formula:

$\log_ax=\frac{\ln x}{\ln a}$

Thus, $\log_2 x=\frac{\ln x}{\ln 2}$

$\frac{\ln x}{\ln 2}$ is what you would put in the calculator.

--Chris